<div class="csa shangxiazuoyoucenter">
    <div>
        First name:<br>
        <input type="text" name="firstname" value="Mickey">
        <br>
        Last name:<br>
        <input type="text" name="lastname" value="Mouse">
        <br><br>
        <input type="submit" onclick="submit()" value="Submit">
    </div>
</div>
<style>

.csa{
    width: 100vw;
    background-color: rgba(0, 0, 0, 0.59);
    height: 100vh;
}
input {
    -webkit-appearance: textfield;
    background-color: white;
    -webkit-rtl-ordering: logical;
    user-select: text;
    cursor: auto;
    padding: 1px;
    border-width: 2px;
    border-style: inset;
    border-color: initial;
    border-image: initial;
}
</style>
<script>
    function submit(){
        $.ajax({
            url:'/comm/test1.php',
            type:'POST', //GET
            async:true,    //或false,是否异步
            data:{
                name:'yang',age:25
            },
            timeout:5000,    //超时时间
            dataType:'json',    //返回的数据格式：json/xml/html/script/jsonp/text
            beforeSend:function(xhr){
                console.log(xhr)
                console.log('发送前')
            },
            success:function(data,textStatus,jqXHR){
                console.log(data)
                console.log(textStatus)
                console.log(jqXHR)
            },
            error:function(xhr,textStatus){
                console.log('错误')
                console.log(xhr)
                console.log(textStatus)
            },
            complete:function(){
                console.log('结束')
            }
        })
    }
</script>